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  1. [151]
    فلسطين والنضال
    فلسطين والنضال غير متواجد حالياً
    عضو شرف
    الصورة الرمزية فلسطين والنضال


    تاريخ التسجيل: Apr 2008
    المشاركات: 895

    وسام الشكر

     وسام كبار الشخصيات

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    Christopher Haslett “Essentials of Radio Wave Propagation ”
    Cambridge University Press | 2008-01-07 | ISBN: 052187565X | 214 pages | PDF | 1,2 Mb
    If you need to maximize efficiency in wireless network planning, this quick reference guide to an increasingly complex and difficult topic is for you. Using real-world case studies, practical problems and minimum mathematics, the author explains simply and clearly how to predict signal strengths in a variety of situations. More sophisticated methods, which form the basis of software tools for both network planning and spectrum management, are also described. This will be an invaluable resource for network planners, hardware designers, spectrum managers, senior technical managers and policy makers.

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  2. [152]
    فلسطين والنضال
    فلسطين والنضال غير متواجد حالياً
    عضو شرف
    الصورة الرمزية فلسطين والنضال


    تاريخ التسجيل: Apr 2008
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    Thomas Hempel “Usability of Speech Dialog Systems: Listening to the Target Audience ”
    Springer | 2008-05-01 | ISBN: 3540783423 | 175 pages | PDF | 1,5 Mb

    Many technical issues like speech recognition and signal processing have to be addressed for the design of speech communication systems. However, before designing a speech application starts, 3 key questions that have to be answered: who will use it, why and how often? Only if the designer is clear about these questions, he is able to provide a maximum of target group orientation.
    This book gives focuses on these high-level questions and gives a criteria when and how to design speech systems. After an introduction, the state of the art in modern voice user interfaces is displayed. The following parts of the book evolve criteria for designing and evaluating successful voice user interfaces. In the last chapter, outlines and trends of this fast growing area are displayed.



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  3. [153]
    فلسطين والنضال
    فلسطين والنضال غير متواجد حالياً
    عضو شرف
    الصورة الرمزية فلسطين والنضال


    تاريخ التسجيل: Apr 2008
    المشاركات: 895

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    by Jadran Lenarcic , B. Roth “Advances in Robot Kinematics”
    Springer ; 1 edition | 498 pages | 2006 | ISBN: 1402049404 | 25 MB
    This book presents the most recent research advances in the theory, design, control and application of robotic systems, which are intended for a variety of purposes such as manipulation, manufacturing, automation, surgery, locomotion and biomechanics. The issues addressed are fundamentally kinematic in nature, including synthesis, calibration, redundancy, force control, dexterity, inverse and forward kinematics, kinematic singularities, as well as over-constrained systems. Methods used include line geometry, quaternion algebra, screw algebra, and linear algebra. These methods are applied to both parallel and serial multi-degree-of-freedom systems.
    The book includes 53 independently reviewed papers of researchers specialising in robot kinematics. The contributors are the most recognised scientists in this area. The papers have been subdivided into the following sections: Methods in Kinematics, Properties of Mechanisms, Humanoids and Biomedicine, Analysis of Mechanisms, Workspace and Performance, Design of Mechanisms, Motion Synthesis and Mobility.
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  4. [154]
    فلسطين والنضال
    فلسطين والنضال غير متواجد حالياً
    عضو شرف
    الصورة الرمزية فلسطين والنضال


    تاريخ التسجيل: Apr 2008
    المشاركات: 895

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    Gregor Hoogers, “Fuel Cell Technology Handbook (Mechanical Engineering Series)”
    CRC | 360 pages | 2002 | ISBN: 0849308771 | PDF | 8.99 MB
    Fuel cell systems have now reached a degree of technological maturity and appear destined to form the cornerstone of future energy technologies. But the rapid advances in fuel cell system development have left current information available only in scattered journals and Internet sites. The even faster race toward fuel cell commercialization further leaves the objectivity of many Internet articles open to question. The Fuel Cell Technology Handbook is now here to help, providing the first comprehensive treatment of both the technical and commercial aspects of high and low temperature fuel cells, fuel cell systems, fuel cell catalysis, and fuel generation. The first part of the book addresses the principles of fuel cell technology and summarizes the main concepts, developments, and remaining technical problems, particularly in fueling. The second part explores applications in automotive, stationary, and portable power generation technologies. It also provides an expert’s look at future developments in both the technology and its applications. With chapters contributed by experts working in academic and industrial R&D, this handbook forms a reliable, authoritative basis for understanding fuel cell technology, applications, and commercial realities. Whether you’re developing fuel cell components, designing a fuel cell system, or just interested in the viability of an application, the Fuel Cell Technology Handbook is the best place to start.
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    James Larminie, Andrew Dicks, “Fuel Cell Systems Explained (Second Edition)”
    Wiley | 406 pages | 2003 | 047084857X | PDF | 7.09MB
    Building on the success of the first edition Fuel Cell Systems Explained presents a balanced introduction to this growing area.
    “In summary, an altogether satisfying book that puts within its covers the academic tools necessary for explaining fuel cell systems on a multidisciplinary basis.” Power Engineering Journal
    “An excellent book….well written and produced.” Journal of Power and Energy
    Fully revised and updated, the second edition:
    * Provides an essential guide to the principles, design and application of fuel cell systems.
    * Includes full and updated coverage of fuel processing and hydrogen generation and storage systems.
    * Presents a full and clear explanation of the operation of all the major fuel cell types, and an introduction to possible future technology, such as biological fuel cells
    * Features a new chapter on the direct methanol fuel cell.
    * Now includes examples of the modelling, design and engineering of real fuel cell systems.
    * A clear overview of fuel cell operation and thermodynamics
    * Coverage of the complete fuel cell system including compressors, turbines, and the electrical and electronic sub-systems such as regulators, inverters, grid inter-ties, electric motors, and hybrid fuel cell/battery systems.
    Assuming no prior knowledge of fuel cell chemistry, this reference comprehensively brings together all of the key topics encompassed by this diverse field. Practitioners, researchers and students in electrical, power, chemical and automotive engineering will continue to benefit from this essential guide to the principles, design and application of fuel cell systems.
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  5. [155]
    فلسطين والنضال
    فلسطين والنضال غير متواجد حالياً
    عضو شرف
    الصورة الرمزية فلسطين والنضال


    تاريخ التسجيل: Apr 2008
    المشاركات: 895

    وسام الشكر

     وسام كبار الشخصيات

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    by Robert B. Hickey, Bob Hickey, “Electrical Construction Databook “
    McGraw-Hill Professional | Number Of Pages: 600 | 2001-12-26 | ISBN: 0071373497 | PDF | 17 Mb
    Keep your electrical construction projects running smoothly
    ELECTRICAL CONSTRUCTION DATABOOK is the all-in-one power tool you need to minimize construction risks and problems, avoid costly mistakes, work more efficiently, handle more projects without outside help, reduce waste, cut cost, and maximize profits. Applications expert Bob Hickey provides the exact data that lets you keep any commercial, industrial, or institutional electrical design and construction project on track and within budget. In this detail-by-detail, quick-reference sourcebook, Bob focuses on easy-to-understand electrical system concepts, calculations, and code requirements that are most frequently encountered in a typical electrical system installation. You get a wealth of practical advice backed by hundreds of tables, sample calculations, charts, diagrams, and illustrations that will enable you to quickly and easily:
    * Plan and design projects
    * Determine space requirements for equipment installations
    * Properly size equipment and distribution components
    * Ensure adequate short-circuit protection
    * Provide proper over-current protection and coordination
    * Comply with building codes and industry standards
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  6. [156]
    فلسطين والنضال
    فلسطين والنضال غير متواجد حالياً
    عضو شرف
    الصورة الرمزية فلسطين والنضال


    تاريخ التسجيل: Apr 2008
    المشاركات: 895

    وسام الشكر

     وسام كبار الشخصيات

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    Star Testing Astronomical Telescopes: A Manual for Optical Evaluation and Adjustment By Harold Richard Suiter
    Willmann-Bell | 1994-12 | 0943396441 | PDF | English | 5.32 MB
    Great - for advanced amateur star-gazers. Mr. Suiter is a professional physicist whose avocation is star-gazing with modest amateur astronomical telescopes. His book bridges the gap between amateur and professional on the subject of telescope optics and performance.

    This book is NOT for the beginner! It is dense, highly technical, very educational, and really is better suited to advanced amateur with a strong technical affinity. Though it is printed upon high quality paper with some very good computer generated graphics, it remains relatively slim, no more than an inch thick.

    The book covers all the theory and practice needed to help align and collimate most amateur telescopes to the peak of their optical potential. He begins with the wave theory of light, and ends with a discourse on interpreting the multi-circular images one often sees of a star in and out of focus.

    He creates a wonderful “model” of seeing as a stack of filters between your eye, and the objects you look at. Every sort of optical degradation imaginable is represented by one filter or another - air turbulence, optical misalignment, diffraction, optical imperfections, etc. Beyond this, he manages to sum up the effects of these filters in one all encompassing concept, call the Modulation Transfer Function. Essentially this conveys a sense of how well the telescope will perform varying feats of resolution and contrast. In some cases, a “defective” wavefront may provide superior resolution than is otherwise theoretically possible, though only at the expense of other image properties such as contrast.

    Beginners, save your money. Advancing amateurs, this book is for you. This book requires hours of thoughtful study. An excellent tome for the Library, or the continuing ed program at the University of Porcelain.




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    سوف نقتلهم جميعا وسوف نشرب دمائهم في كاس انتفاضتنا وليكن نخبه الموت لنا ولهم ولتحيا فلسطين

  7. [157]
    فلسطين والنضال
    فلسطين والنضال غير متواجد حالياً
    عضو شرف
    الصورة الرمزية فلسطين والنضال


    تاريخ التسجيل: Apr 2008
    المشاركات: 895

    وسام الشكر

     وسام كبار الشخصيات

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    Stephen A. McKeown, “Mechanical Analysis of Electronic Packaging Systems”
    CRC | ISBN: 0824770331 | 355 pages | PDF | 29 Mb

    . . .provides a comprehensive view to electronic systems design from a mechanical engineering point of view. . .. . . .McKeown has provided a handy reference for the executive of mechanical analyses of electric systems. In addition to being a very good desk reference for the practicing engineer, the book appears to be an invaluable resource tool for graduate students in aiding them with planning and executing a thesis or dissertation project.
    —Journal of Electronic Packaging
    …comprehensive…. …Stephen McKeown has provided a handy reference for the execution of mechanical analyses of electronic systems. In addition to being a very good desk reference for the practicing engineer, the book appears to be an invaluable resource tool for graduate students in aiding them with planning and executing a thesis or dissertation project.
    —Journal of Electronic Packaging



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    سوف نقتلهم جميعا وسوف نشرب دمائهم في كاس انتفاضتنا وليكن نخبه الموت لنا ولهم ولتحيا فلسطين

  8. [158]
    فلسطين والنضال
    فلسطين والنضال غير متواجد حالياً
    عضو شرف
    الصورة الرمزية فلسطين والنضال


    تاريخ التسجيل: Apr 2008
    المشاركات: 895

    وسام الشكر

     وسام كبار الشخصيات

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    Elena Gaura, Robert Newman “Smart Mems And Sensor Systems”
    Imperial College Press | 2006-08-10 | ISBN: 1860944930 | 552 pages | PDF | 24,7 Mb




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    سوف نقتلهم جميعا وسوف نشرب دمائهم في كاس انتفاضتنا وليكن نخبه الموت لنا ولهم ولتحيا فلسطين

  9. [159]
    فلسطين والنضال
    فلسطين والنضال غير متواجد حالياً
    عضو شرف
    الصورة الرمزية فلسطين والنضال


    تاريخ التسجيل: Apr 2008
    المشاركات: 895

    وسام الشكر

     وسام كبار الشخصيات

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    Tom Markvart, Luis Castaner “Solar Cells: Materials, Manufacture and Operation”
    Elsevier Science | 2005-02-07 | ISBN: 1856174573 | 556 pages | PDF | 31,5 Mb

    The capture and use of solar energy has been growing for many years, but only in recent times have advances in design and manufacture allowed us to see the incorporation of solar energy as a significant player in the renewable energy arena.

    Solar cells are at the heart of any photovoltaic system and in this book the various types are described and their characteristics reviewed.

    Going beyond materials, design and function, Solar Cells also covers their testing, monitoring and calibration thus providing a comprehensive account of current activity in this important field of research and industry.
    Solar Cells has been abstracted from the recent Practical Handbook of Photovoltaics by the same editors (ISBN 185617 3909. 2003: Elsevier)

    Internationally-respected contributors from industry and academia
    Abstracted from The Practical Handbook of Photovoltaics’ by the same Editors
    A comprehensive source-book on all aspects of solar cells




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    سوف نقتلهم جميعا وسوف نشرب دمائهم في كاس انتفاضتنا وليكن نخبه الموت لنا ولهم ولتحيا فلسطين

  10. [160]
    فلسطين والنضال
    فلسطين والنضال غير متواجد حالياً
    عضو شرف
    الصورة الرمزية فلسطين والنضال


    تاريخ التسجيل: Apr 2008
    المشاركات: 895

    وسام الشكر

     وسام كبار الشخصيات

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    Malacara “Handbook of Optical Engineering”
    CRC | 2001-05-31 | ISBN: 0824799607 | 978 pages | PDF | 10,2 Mb

    This handbook explains principles, processes, methods, and procedures of optical engineering in a concise and practical way. It emphasizes fundamental approaches and provides useful formulas and step-by-step worked-out examples to demonstrate applications and clarify calculation methods. The book covers refractive, reflective, and diffractive optical components; lens optical devices; modern fringe pattern analysis; optical metrology; Fourier optics and optical image processing; electro-optical and acousto-optical devices; spatial and spectral filters; optical fibers and accessories; optical fabrication; and more. It includes over 2,000 tables, flow charts, graphs, schematics, drawings, photographs, and mathematical expressions.



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